standard library package RiskMetadata {
doc
/*
* This package defines metadata for annotating model elements with assessments of risk.
*/
private import ScalarValues::Real;
attribute def Level :> Real {
doc
/*
* A Level is a Real number in the interval 0.0 to 1.0, inclusive.
*/
assert constraint { that >= 0.0 and that <= 1.0 }
}
enum def LevelEnum :> Level {
doc
/*
* LevelEnum provides standard probability Levels for low, medium and high risks.
*/
low = 0.25;
medium = 0.50;
high = 0.75;
}
attribute def RiskLevel {
doc
/*
* RiskLevel gives the probability of a risk occurring and, optionally, the impact
* if the risk occurs.
*/
attribute probability : Level {
doc
/*
* The probability that a risk will occur.
*/
}
attribute impact : Level [0..1] {
doc
/*
* The impact of the risk if it occurs (with 0.0 being no impact and 1.0 being
* the most severe impact).
*/
}
}
enum def RiskLevelEnum :> RiskLevel {
doc
/*
* RiskLevelEnum enumerates standard RiskLevels for low, medium and high risks
* (without including impact).
*/
low = new RiskLevel(probability = LevelEnum::low);
medium = new RiskLevel(probability = LevelEnum::medium);
high = new RiskLevel(probability = LevelEnum::high);
}
metadata def Risk {
doc
/*
* Risk is used to annotate a model element with an assessment of the risk related to it
* in some typical risk areas.
*/
attribute totalRisk : RiskLevel [0..1] {
doc
/*
* The total risk associated with the annotated element.
*/
}
attribute technicalRisk : RiskLevel [0..1] {
doc
/*
* The risk of unresolved technical issues regarding the annotated element.
*/
}
attribute scheduleRisk : RiskLevel [0..1] {
doc
/*
* The risk that work on the annotated element will not be completed on schedule.
*/
}
attribute costRisk : RiskLevel [0..1] {
doc
/*
* The risk that work on the annotated element will exceed its planned cost.
*/
}
}
}